Jacobsen Chief-O-Matic 800 53070
The Jacobsen Chief-O-Matic 800 is a 1966 garden tractor built in Racine, Wisconsin, USA by Jacobsen. It features an 8 hp Kohler K181 305cc 1-cylinder air-cooled gasoline engine with electric start and a belt-driven hydrostatic transmission providing infinite forward and reverse speeds. The tractor has two-wheel drive, manual steering, mechanical band brakes, and an open operator station. It includes a mid PTO with manual clutch. Dimensions include a 42 inch wheelbase, 61 inch length, and 33 inch width. Tires are lawn/turf type with front sizes 16x4.80-8 or 16x6.50-8 and rear sizes 22x6-12 or 22x8-12. Attachments available include 36" and 42" mid-mount mower decks, snowblowers, blade, and front-end loader. Electrical system is 12 volts with negative ground. The serial number plate is located on the left-front side above the front axle.
Power-
Founded-
ModelChief-O-Matic 800
Technical Specifications
Detailed specifications and technical data for Jacobsen Chief-O-Matic 800 53070
Tires
| Lawn/turf rear | 22x6-12, 22x8-12 |
|---|---|
| Lawn/turf front | 16x4.80-8, 16x6.50-8 |
Engine
| Type | gasoline |
|---|---|
| Model | Kohler K181 |
| Power | 8 hp (6.0 kW) |
| Cooling | air-cooled horizontal-shaft |
| Starter | electric |
| Cylinders | 1-cylinder |
| Fuel tank | 1.25 gal (4.7 L) |
| Rated RPM | 3600 |
| Air cleaner | dry |
| Bore/Stroke | 2.9375x2.75 inches (75 x 70 mm) |
| Displacement | 305 cc (18.64 ci) |
| Oil capacity | 1.25 qts (1.2 L) |
| Starter volts | 12 |
Dimensions
| Width | 33 inches (83 cm) |
|---|---|
| Length | 61 inches (154 cm) |
| Wheelbase | 42 inches (106 cm) |
| Rear tread | 31.5 inches (80 cm) |
| Front tread | 30 inches (76 cm) |
| Height (hood) | 34.5 inches (87 cm) |
| Ground clearance | 11.75 inches (frame) (29 cm) |
| Clearance (rear axle) | 6.25 inches (15 cm) |
| Clearance (front axle) | 8.75 inches (22 cm) |
| Height (steering wheel) | 39 inches (99 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Mechanical band brakes |
| Steering | Manual steering |
| Operator station | Open operator station |
Production
| Type | Garden tractor |
|---|---|
| Year | 1966 |
| Built in | Racine, Wisconsin, USA |
| Manufacturer | Jacobsen |
References
| Book | Chief Tractors published in 1966, by Jacobsen |
|---|
Attachments
| Blade | 42 inches width (106 cm), front-mount |
|---|---|
| Snowblower | 36 inches width (91 cm), single-stage, front-mount, manual-lift; 36 inches width (91 cm), two-stage, front-mount, manual-lift |
| Front-end loader | Danco JC 600 Loader, 300 lbs lift (full at pin) (136 kg), 52 inches clearance (level) (132 cm), Bucket width: 34 inches (86 cm) |
| 36" mid-mount mower deck | 36 inches (91 cm), 2-blade, manual lift, left-discharge, Cut height: 1.5 to 4 inch (3 to 10 cm) |
| 42" mid-mount mower deck | 42 inches (106 cm), 3-blade, manual lift, right-discharge, Cut height: 1.25 to 3 inch (3 to 7 cm) |
Transmission
| Type | belt-driven hydrostatic |
|---|---|
| Gears | infinite forward and reverse |
Power Take-off (PTO)
| Type | independent |
|---|---|
| Clutch | manual |
| Location | Mid PTO |
Serial Number Location
| Location | Serial number plate on the left-front side of tractor, above the front axle. |
|---|
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